AWACSMortgage compliance intelligence from Flightline

FHLB Chicago MPF · MPF Announcement 2026-48 · Published

Testing and Format Requirements for Escrow Event Reporting Under MPF Xtra

Participating financial institutions servicing MPF Xtra mortgages must prepare to transmit event-based escrow data in Excel or JSON format starting December 1, 2026, with optional early delivery beginning November 9. Institutions must adhere to standard file naming protocols and complete format testing with the master servicer.

Action requiredEffective Dec 1, 2026 · may adopt nowChecks passed· adjusted automaticallyRead the announcement ↗ (opens in a new tab)

Loan impact

Summarized from the announcement · needs review

Applies to: Servicers reporting escrow events for residential mortgages under the MPF Xtra program.

Addressed to
MPF participating financial institutions (PFIs)From the publisher, not quoted from the text
Investor
MpfFrom the publisher, not quoted from the text
Affected documents
Escrow event reporting files
Effective
Dec 1, 2026Sellers may implement immediately
Applicability confidence
Needs review: some rows could not be matched to a quote from the source

Summary by AWACS. FHLB Chicago MPF's guide is proprietary, so AWACS does not reproduce its text. Read the official announcement ↗ (opens in a new tab)

What changed

Summarized from the announcement
RequirementPreviouslyNow
Mandatory file formatting for escrow event submissionsTightenedRequiredNot statedEscrow events must be delivered separately to the master servicer in Excel or JSON format, with ASCII text files no longer permitted.
Standard naming convention for escrow event reporting filesNewRequiredNot statedAll uploaded files must adhere to the prescribed naming structure combining the servicer tape identifier, escrow label, and upload date.
Early adoption timeline for live escrow file submissionsRelaxedNot statedServicers prepared prior to the mandate date may begin transmitting live escrow data starting in early November.

What to do

AWACS interpretation · not source language

What to review: Review the mandatory shift to Excel or JSON formatting and standard file naming protocols for MPF Xtra escrow reporting effective December 1, 2026, alongside testing prerequisites for optional early transmission.

Servicing

Submit MPF Xtra escrow event reports separately in Excel or JSON format using the mandated naming convention by December 1, 2026.

IT

Configure reporting systems to generate escrow event files in Excel or JSON format following the prescribed naming convention by December 1, 2026.

QC implications

  • Sample escrow event reporting files to confirm they are generated in Excel or JSON format and no longer transmitted as ASCII text.
  • Validate that escrow event file names consistently follow the required naming structure combining the servicer tape identifier, escrow label, and upload date.

Source and record

Version 1 · archived

Checks

  • Source verified: Passed

    The document ID, link and publication date match the official source.

  • Quotes match the source: Passed, adjusted automatically

    Every quoted passage appears word for word in the official document.

    • A detail the source does not support was removed or adjusted

  • Requirements backed by the source: Passed, adjusted automatically

    Anything marked required is backed by the requirement language and dates in the source.

    • A detail the source does not support was removed or adjusted
    • An independent check could not confirm a requirement; it is shown as review, not action

  • In scope: Passed

    The document is about residential mortgage lending.

  • Format and labels: Passed

    The record follows the AWACS format and uses its standard labels.